import java.util.Scanner;

public class Test02 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.println("请输入一个字符串：");
        String line = sc.nextLine();

        String s = myReverse(line);
        System.out.println("s"+s);

    }
    public  static String myReverse(String s){
        return new StringBuilder(s).reverse().toString();
    }
}
